Windows Server 2019 Kerberos policy user ticket renewal maximum lifetime must be limited to seven days or less.
An XCCDF Rule
Description
This setting determines the period of time (in days) during which a user's TGT may be renewed. This security configuration limits the amount of time an attacker has to crack the TGT and gain access. Satisfies: SRG-OS-000112-GPOS-00057, SRG-OS-000113-GPOS-00058
- ID
- SV-205705r1051074_rule
- Version
- WN19-DC-000050
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the policy value in the Default Domain Policy for Computer Configuration >> Policies >> Windows Settings >> Security Settings >> Account Policies >> Kerberos Policy >> "Maximum lifetime for user ticket renewal" to a maximum of "7" days or less.